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Cheap flights from Houston to Porto (OPO) from $500

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — OPO
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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Cheap flight deals from Houston to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 8, 2024.

Popular in

May

Cheapest in

February

Average price

$1,570

Round-trip from

$523
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 35% potential price drop
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Average for round-trip flights in May 2024
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From Houston to Porto
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What is the cheapest day to fly round-trip from Houston to Porto?

Monday flights are generally found to be more expensive for flights from Houston to Porto. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Porto.

What is the cheapest month to fly from Houston to Porto?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, February can be a great choice for travel to Porto. Flights to Porto from Houston in February are about $1,194 on average during February, but can be found for as low as $782.

When is the cheapest time to fly from Houston to Porto (IAH - OPO)?

A simple way to save on the total cost of your ticket is to fly from Houston to Porto in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

Cheap Iberia flights from Houston to Porto

Explore cheap flight options specifically provided by Iberia for the route between Houston and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Find some of the cheapest Iberia flights traveling from Houston to Porto. Come back soon if you're not finding the exact deal you're looking for.
Tue 7/27:39 pmIAH - OPO
2 stops18h 16mIberia
Mon 3/38:40 pmOPO - IAH
2 stops29h 20mIberia
Deal found 5/8$860
Sat 6/296:27 pmIAH - OPO
2 stops15h 28mIberia
Mon 3/38:40 pmOPO - IAH
2 stops29h 20mIberia
Deal found 5/8$1,203
Fri 8/27:39 pmIAH - OPO
2 stops29h 56mIberia
Sun 8/1112:20 pmOPO - IAH
2 stops17h 29mIberia
Deal found 5/7$1,282
Fri 7/56:34 pmHOU - OPO
2 stops15h 21mIberia
Thu 7/188:35 pmOPO - HOU
2 stops33h 16mIberia
Deal found 5/7$1,679
Tue 10/226:31 pmHOU - OPO
2 stops15h 24mIberia
Tue 10/298:20 amOPO - HOU
2 stops20h 23mIberia
Deal found 5/7$1,799
Sun 6/26:23 pmHOU - OPO
2 stops15h 32mIberia
Sun 7/148:15 amOPO - HOU
2 stops21h 36mIberia
Deal found 5/8$1,833
Sun 6/26:23 pmHOU - OPO
2 stops15h 32mIberia
Sun 7/1412:20 pmOPO - HOU
2 stops17h 31mIberia
Deal found 5/7$2,033
Mon 5/206:23 pmHOU - OPO
2 stops15h 32mIberia
Wed 5/2912:25 pmOPO - HOU
2 stops17h 30mIberia
Deal found 5/7$2,193

Cheap Delta flights from Houston to Porto

Explore cheap flight options specifically provided by Delta for the route between Houston and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Houston to Porto. Deals are refreshing constantly so come back soon for more options.
Wed 7/33:50 pmIAH - OPO
1 stop17h 40mDelta
Mon 3/311:45 amOPO - IAH
1 stop32h 20mDelta
Deal found 5/8$901
Tue 9/243:50 pmIAH - OPO
1 stop17h 40mDelta
Mon 10/74:20 pmOPO - IAH
1 stop27h 15mDelta
Deal found 5/7$911
Sun 6/303:50 pmIAH - OPO
1 stop17h 40mDelta
Mon 3/311:45 amOPO - IAH
1 stop32h 20mDelta
Deal found 5/8$943
Tue 7/21:10 pmIAH - OPO
2 stops20h 20mDelta
Mon 3/35:00 amOPO - IAH
1 stop14h 35mDelta
Deal found 5/8$946
Thu 7/43:50 pmIAH - OPO
1 stop17h 40mDelta
Mon 3/311:45 amOPO - IAH
1 stop32h 20mDelta
Deal found 5/8$951
Tue 7/24:53 pmHOU - OPO
2 stops16h 37mDelta
Mon 3/35:00 amOPO - HOU
2 stops18h 53mDelta
Deal found 5/8$999

Cheap Houston to Porto flights in May & June 2024

Find cheap flight options from Houston to Porto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
The lowest fares we've come across on flights traveling from Houston to Porto in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Fri 6/148:05 amOPO - IAH
2 stops30h 29mMultiple Airlines
Deal found 5/6$794
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops44h 27mMultiple Airlines
Deal found 5/6$803
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Wed 6/126:45 amOPO - IAH
2 stops31h 49mMultiple Airlines
Deal found 5/7$824
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Wed 6/126:45 amOPO - IAH
2 stops31h 49mMultiple Airlines
Deal found 5/6$840
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Thu 6/137:25 amOPO - IAH
2 stops31h 09mMultiple Airlines
Deal found 5/7$847
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Fri 6/148:05 amOPO - IAH
2 stops30h 29mMultiple Airlines
Deal found 5/6$848
Mon 6/34:00 pmIAH - OPO
2 stops34h 00mMultiple Airlines
Tue 6/117:30 amOPO - IAH
1 stop22h 04mMultiple Airlines
Deal found 5/7$856
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Wed 6/126:45 amOPO - IAH
2 stops31h 49mMultiple Airlines
Deal found 5/7$863
Wed 6/57:50 amIAH - OPO
2 stops33h 05mMultiple Airlines
Tue 6/117:30 amOPO - IAH
1 stop22h 04mMultiple Airlines
Deal found 5/7$865

Houston to Porto 2024 flight deals

Discover exclusive flight deals for travel between Houston and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
The lowest fares we've come across on flights traveling from Houston to Porto in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 12/23:55 pmIAH - OPO
1 stop18h 50mMultiple Airlines
Mon 1/278:40 pmOPO - IAH
2 stops29h 21mMultiple Airlines
Deal found 5/7$713
Mon 12/21:31 pmIAH - OPO
2 stops21h 14mMultiple Airlines
Mon 1/278:40 pmOPO - IAH
2 stops29h 21mMultiple Airlines
Deal found 5/7$718
Mon 12/24:30 pmIAH - OPO
1 stop23h 55mLufthansa
Mon 1/2712:30 pmOPO - IAH
1 stop31h 35mLufthansa
Deal found 5/7$724
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Fri 6/148:05 amOPO - IAH
2 stops30h 29mMultiple Airlines
Deal found 5/6$794
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Tue 6/116:25 amOPO - IAH
2 stops44h 27mMultiple Airlines
Deal found 5/6$803
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Wed 6/126:45 amOPO - IAH
2 stops31h 49mMultiple Airlines
Deal found 5/7$824
Wed 6/57:50 amIAH - OPO
1 stop20h 45mMultiple Airlines
Wed 6/126:45 amOPO - IAH
2 stops31h 49mMultiple Airlines
Deal found 5/6$840
Tue 10/2211:07 amIAH - OPO
2 stops14h 28mMultiple Airlines
Tue 10/298:40 pmOPO - IAH
2 stops27h 43mMultiple Airlines
Deal found 5/7$843
Tue 6/44:00 pmIAH - OPO
1 stop25h 25mMultiple Airlines
Thu 6/137:25 amOPO - IAH
2 stops31h 09mMultiple Airlines
Deal found 5/7$847

One-way flights to Porto from Houston

Search for one-way flight options from Houston to Porto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the best available deals we've found on one-way flights from Houston to Porto. Users in need of a round-trip flight from Houston to Porto instead should update the search form at the top of page.
Wed 5/226:15 amIAH - OPO
2 stops34h 20mMultiple Airlines
Deal found 5/7$500
Tue 9/248:50 amIAH - OPO
2 stops18h 10mMultiple Airlines
Deal found 5/8$506
Tue 9/248:50 amIAH - OPO
2 stops18h 10mMultiple Airlines
Deal found 5/7$512
Wed 5/1510:12 amIAH - OPO
3 stops45h 43mMultiple Airlines
Deal found 5/7$516
Tue 5/1410:12 amIAH - OPO
3 stops30h 23mMultiple Airlines
Deal found 5/7$521
Wed 5/226:15 amIAH - OPO
3 stops35h 00mMultiple Airlines
Deal found 5/7$533
Mon 5/138:25 amIAH - OPO
2 stops40h 25mMultiple Airlines
Deal found 5/7$553
Tue 9/249:58 pmIAH - OPO
3 stops31h 47mMultiple Airlines
Deal found 5/8$573
Wed 6/263:52 pmIAH - OPO
3 stops38h 13mMultiple Airlines
Deal found 5/8$579

Find flights from Houston to Porto within your budget

Customize your flight search to find flights from Houston to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$794 - $1,780

Route

Depart

Return

Price

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 6/5

1 stop20h 45m

Porto

Fri 6/14

2 stops30h 29m

$794

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 6/5

1 stop20h 45m

Porto

Tue 6/11

2 stops44h 27m

$803

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 7/2

2 stops18h 16m

Porto

Mon 3/3

2 stops29h 20m

$860

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 7/3

1 stop17h 40m

Porto

Mon 3/3

1 stop32h 20m

$901

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 7/2

1 stop18h 20m

Porto

Mon 3/3

1 stop27h 25m

$904

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 9/24

2 stops22h 30m

Porto

Mon 10/7

2 stops36h 13m

$920

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 6/4

1 stop13h 55m

Porto

Thu 6/13

1 stop14h 15m

$1,002

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 6/5

2 stops21h 05m

Porto

Thu 6/13

2 stops30h 11m

$1,027

Houston HobbyPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 6/30

2 stops19h 26m

Porto

Mon 3/3

2 stops37h 44m

$1,780

Flights are sorted by cheapest first

Deals found on 5/6

When is the cheapest time to fly from Houston to Porto?

Use this chart to determine the cheapest time to fly round-trip from Houston to Porto. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Houston to Porto flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Porto by month

Plan your trip from Houston to Porto by taking into account the cheapest months to travel. The average price of a one-way flight from Houston to Porto is currently $533 while a round-trip flight costs $999. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from Houston to Porto (average of $523). Flying from Houston to Porto in June is currently the most expensive (average of $1,016). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$523

February

$581

March

$599

April

$742

May

$879

June

$1,016

July

$983

August

$865

September

$766

October

$694

November

$554

December

$645

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

OPO

Temperature

48.2 - 68 °F

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated May 8, 2024.
To help decide which airline to fly from Houston to Porto, see what other customers have to say about Iberia, Delta and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Turkish Airlines
7.5
Good
3,712 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,043 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,677 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Houston to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Houston?

    If you book a flight to Porto from Houston, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Houston to Porto per day from 6 different airlines.

  • Can I find flights from Houston to Porto for under $800 on Cheapflights?

    Yes, there are multiple flights from Houston to Porto for under $800. The cheapest flight booked recently is on Multiple Airlines for just $794, but on average you can expect to pay $859.

  • What are the cheapest airlines flying from Houston to Porto round-trip?

    Flying on Iberia is currently your cheapest option to Porto, with prices starting at $860. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $901 and $904, respectively. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to Porto one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $685. Users have also found prices from $875 and $1,063 on United Airlines and Turkish Airlines, respectively.

  • What are the most popular airlines that fly from Houston to Porto?

    Before booking your flight from Houston to Porto check out the most popular airlines for this route: British Airways, Delta or Iberia.

  • What does IAH to OPO mean?

    IAH stands for Houston George Bush Intcntl Airport, while OPO stands for Porto Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT).

  • Can I find deals for flights from Houston to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Houston to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Houston to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Houston to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Houston to Porto that include hotel bookings?

    Yes. In addition to deals on Houston to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Porto.

  • Can I find deals for business class flights from Houston to Porto?

    Yes. Cheapflights offers flight deals from Houston to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Houston to Porto that allow pets onboard?

    Many airlines flying from Houston to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Houston to Porto?

    Yes, you can often find last-minute deals on Houston to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston to Porto flight deals updated?

    The Houston to Porto flight deals you see on this page were last updated on 5/7.

See more FAQs

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Alternative routes for Houston to Porto
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Houston to Porto

Discover the top 6 airlines that operate flights from Houston to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$548Average$768FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest$588Average$1,246FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest$663Average$1,131FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$708Average$1,032FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$744Average$1,372FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$848Average$1,222FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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Search flights from Houston to Porto by cabin class

Find flights from Houston to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Houston to Porto?

When you search for this flight from Houston to Porto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Houston to Porto?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Porto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Houston to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Houston to Porto become cheaper?

Yes, Cheapflights offers price alerts on Houston to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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